Closure for coke-ovens and similar devices.



H4. KOPPBRS. GLOSURE FR COKE (WENS AND SMILAR DEVGES,

APPLICATION FILED MAY ZD, 1907 AAD HEINRICH KorrERs, orEssEN-oN-TIIE-RUHR, GERMANY.

CLOSURE FOR COKE-OVENS AND SIMILAR DIIIEIVICS.`

Specification of Letters Patent.

Patented Dec.- 31 1907.

App1icai0n`ned-nay 25. 1907. seria No. 375.585.'

T all whom it may concern.'

ABe it known that I, HEINRICH KoPPERs, a citizen of Germany, residinglat Essen-on the-Ruhr, Germany, have invented new and useful Im rovementsin Closures for Coke- Ovens an Similar Devices, of which the followingis a specification.

This invention relates to a closure for coke ovens and similar deviceswhich permits the ready manipulation of the door, supportsthe door inits closed position and insures a tight acking between door anddoor-frame, }tlhoug the parts have become warped by eat.

In the accompanying drawin s: Figure 1 is a Jfront view of a cokingchamer embodying my invention; Fig. 2 a vertical section on line 2 2,Fig. 1; Fig. 3 a horizontal section on line 3 3, Fig. 1.

In Figs. 1-3, there is fitted into the front of aicoking chamber b, ametal door-frame c. The door e, having' a suitable lining i, is entirelydisconnected from frame c, and is closed by pushing it into the frame tobe telescoped thereby, until it is substantially iush therewith. Thedoor is of such a size that when closed, a clearance is formed betweenall ofits four sides, and the four inner sides of the frame. Thisclearance'is closed by means of a rope or other packinv' 7c, whichentirely surrounds the door an thus assumes the additional function ofsustaining the vdoor in position. If desired, either the door, or theframe, or both the door and frame may be beveled, the drawing showingthe frame to be beveled on the top and sides, whil'e the door is beveledat the bottom. means of this lower bevel, thc'door is directlyvsupported upon the frame, while the clearance or recess required forthe reception of the packing is nevertheless provided.' To manipulatethe door, there is provided a lifting bar o, having hooks q, which areadapted to engage perforated ribs w, of door e, the means or operatingsaid 'bar being not shown. i

It will be seen that by my invention effective means are provided forproperly sustaining the retort door in position and for simultaneouslypacking the joint between such door and its frame. Should the door orthe door-frame warp, a tight closure will still be maintained by theacking, because any slight horizontal disp acement of the door withinthe frame, does not affect the tightness of such packing.

I claim:

1. In a device of the character described, a coking chamber having adoor-frame, combinedwith a door disconnected from said frame and adaptedto be telescoped thereby,

and with a packing that surrounds the door and enga es the inner sidesofthe frame, said packing eing adapted to sustain the door in position,substantially as speciiied. E

, 2. In a device of the character described, a'coking chamber having adoor-fram combinedwith a door disconnected frogn said frame and adaptedto be telescoped t ereby, one of said parts being beveled to formanintervcning recess, and a packing within said recess, said packingbeing adapted to sustain the door in position, substantially asspecified.

Signed by me at lYew York city, (Manhattan,) N. Y., this 21st day ofMay, 1907.

HEINRIcII KcPPnRs.

'Vitnesscs v WILLIAM ScIrULz, FRANK v. BRIESEN.

